Movie TheaterThumb Sucking |
| Buy NowFrom The Biology of Prenatal Development. |
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Script: Most fetuses suck the right thumb. Sections of intestine within the umbilical cord are returning to the abdominal cavity. |
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All ages referenced to fertilization, not last menstrual period.
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Thumb Sucking
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Fingernails and Toenails
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Unique Fingerprints Appear
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4D Ultrasound
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4D Ultrasound
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Ossification Underway
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